Finding the Fourth Proportional to 194,502.08, 268,413.60 and 122,913.92
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Solution
The fourth proportional to 194,502.08, 268,413.60 and 122,913.92 is: 169,621.67
Step by Step Solution
- Step 1: Write the proportion equation
194,502.08 : 268,413.60 = 122,913.92 : x - Step 2: Convert to fraction form
194,502.08/268,413.60 = 122,913.92/x - Step 3: Cross multiply
194,502.08x = 268,413.60 × 122,913.92 - Step 4: Simplify right side
194,502.08x = 32,991,767,757.31 - Step 5: Solve for x
x = 32,991,767,757.31/194,502.08 - Step 6: Final answer
x = 169,621.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.